You have a Good Stable Internet connection To Download the Update files from Microsoft Server.

But corrupted Windows update cache is the most common and Clearing the folder where all of the update files are stored will force Windows Update to download fresh files. May the update database gets corrupted, the Internet connection is interrupted during downloading update files from the Microsoft server, Any security software blocking updates to get installed on your system etc. If Windows 10 update KB5026362 is stuck during download at 0% or 99% or completely failed to install, it might be that something went wrong with the file itself. How to fix Windows 10 update installation Problems

It is worth noting that only a small number of users are experiencing such issues and Microsoft hasn’t yet acknowledged the installation problems. Windows Users in Microsoft community forum said that the (KB5026362) fails to install. Cumulative Update failed to install Windows 10 1809

Also, several users mentioned on the Microsoft forum the KB5026362 update was downloaded but stuck while installing these updates. But several users report 2023-05 Cumulative update for Windows 10 version 1809 for 圆4-based system (KB5026362) failed to install with different errors 0x800f0922, 0x8000ffff, 0x800f0826 and more. As Windows updates are set to download and install automatically KB5026362 Update downloads and installs on your device automatically. Microsoft has released a new cumulative update KB5026362 for Windows 10 1809.

0x800f0922 windows 10 cumulative update